radeon: Use request_firmware()
[linux-2.6.git] / drivers / gpu / drm / radeon / r100.c
index 90ff8e0..639d5b2 100644 (file)
 #include "drmP.h"
 #include "drm.h"
 #include "radeon_drm.h"
-#include "radeon_microcode.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+
+/* Firmware Names */
+#define FIRMWARE_R100          "radeon/R100_cp.bin"
+#define FIRMWARE_R200          "radeon/R200_cp.bin"
+#define FIRMWARE_R300          "radeon/R300_cp.bin"
+#define FIRMWARE_R420          "radeon/R420_cp.bin"
+#define FIRMWARE_RS690         "radeon/RS690_cp.bin"
+#define FIRMWARE_RS600         "radeon/RS600_cp.bin"
+#define FIRMWARE_R520          "radeon/R520_cp.bin"
+
+MODULE_FIRMWARE(FIRMWARE_R100);
+MODULE_FIRMWARE(FIRMWARE_R200);
+MODULE_FIRMWARE(FIRMWARE_R300);
+MODULE_FIRMWARE(FIRMWARE_R420);
+MODULE_FIRMWARE(FIRMWARE_RS690);
+MODULE_FIRMWARE(FIRMWARE_RS600);
+MODULE_FIRMWARE(FIRMWARE_R520);
 
 /* This files gather functions specifics to:
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
@@ -478,33 +496,33 @@ void r100_ring_start(struct radeon_device *rdev)
        radeon_ring_unlock_commit(rdev);
 }
 
-static void r100_cp_load_microcode(struct radeon_device *rdev)
+
+/* Load the microcode for the CP */
+static int r100_cp_init_microcode(struct radeon_device *rdev)
 {
-       int i;
+       struct platform_device *pdev;
+       const char *fw_name = NULL;
+       int err;
 
-       if (r100_gui_wait_for_idle(rdev)) {
-               printk(KERN_WARNING "Failed to wait GUI idle while "
-                      "programming pipes. Bad things might happen.\n");
-       }
+       DRM_DEBUG("\n");
 
-       WREG32(RADEON_CP_ME_RAM_ADDR, 0);
+       pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
+       err = IS_ERR(pdev);
+       if (err) {
+               printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
+               return -EINVAL;
+       }
        if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
            (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
            (rdev->family == CHIP_RS200)) {
                DRM_INFO("Loading R100 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, R100_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, R100_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_R100;
        } else if ((rdev->family == CHIP_R200) ||
                   (rdev->family == CHIP_RV250) ||
                   (rdev->family == CHIP_RV280) ||
                   (rdev->family == CHIP_RS300)) {
                DRM_INFO("Loading R200 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, R200_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, R200_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_R200;
        } else if ((rdev->family == CHIP_R300) ||
                   (rdev->family == CHIP_R350) ||
                   (rdev->family == CHIP_RV350) ||
@@ -512,31 +530,19 @@ static void r100_cp_load_microcode(struct radeon_device *rdev)
                   (rdev->family == CHIP_RS400) ||
                   (rdev->family == CHIP_RS480)) {
                DRM_INFO("Loading R300 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, R300_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, R300_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_R300;
        } else if ((rdev->family == CHIP_R420) ||
                   (rdev->family == CHIP_R423) ||
                   (rdev->family == CHIP_RV410)) {
                DRM_INFO("Loading R400 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, R420_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, R420_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_R420;
        } else if ((rdev->family == CHIP_RS690) ||
                   (rdev->family == CHIP_RS740)) {
                DRM_INFO("Loading RS690/RS740 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, RS690_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, RS690_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_RS690;
        } else if (rdev->family == CHIP_RS600) {
                DRM_INFO("Loading RS600 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, RS600_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, RS600_cp_microcode[i][0]);
-               }
+               fw_name = FIRMWARE_RS600;
        } else if ((rdev->family == CHIP_RV515) ||
                   (rdev->family == CHIP_R520) ||
                   (rdev->family == CHIP_RV530) ||
@@ -544,9 +550,43 @@ static void r100_cp_load_microcode(struct radeon_device *rdev)
                   (rdev->family == CHIP_RV560) ||
                   (rdev->family == CHIP_RV570)) {
                DRM_INFO("Loading R500 Microcode\n");
-               for (i = 0; i < 256; i++) {
-                       WREG32(RADEON_CP_ME_RAM_DATAH, R520_cp_microcode[i][1]);
-                       WREG32(RADEON_CP_ME_RAM_DATAL, R520_cp_microcode[i][0]);
+               fw_name = FIRMWARE_R520;
+       }
+
+       err = request_firmware(&rdev->fw, fw_name, &pdev->dev);
+       platform_device_unregister(pdev);
+       if (err) {
+               printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
+                      fw_name);
+       } else if (rdev->fw->size % 8) {
+               printk(KERN_ERR
+                      "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
+                      rdev->fw->size, fw_name);
+               err = -EINVAL;
+               release_firmware(rdev->fw);
+               rdev->fw = NULL;
+       }
+       return err;
+}
+static void r100_cp_load_microcode(struct radeon_device *rdev)
+{
+       const __be32 *fw_data;
+       int i, size;
+
+       if (r100_gui_wait_for_idle(rdev)) {
+               printk(KERN_WARNING "Failed to wait GUI idle while "
+                      "programming pipes. Bad things might happen.\n");
+       }
+
+       if (rdev->fw) {
+               size = rdev->fw->size / 4;
+               fw_data = (const __be32 *)&rdev->fw->data[0];
+               WREG32(RADEON_CP_ME_RAM_ADDR, 0);
+               for (i = 0; i < size; i += 2) {
+                       WREG32(RADEON_CP_ME_RAM_DATAH,
+                              be32_to_cpup(&fw_data[i]));
+                       WREG32(RADEON_CP_ME_RAM_DATAL,
+                              be32_to_cpup(&fw_data[i + 1]));
                }
        }
 }
@@ -585,6 +625,15 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
        } else {
                DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
        }
+
+       if (!rdev->fw) {
+               r = r100_cp_init_microcode(rdev);
+               if (r) {
+                       DRM_ERROR("Failed to load firmware!\n");
+                       return r;
+               }
+       }
+
        /* Align ring size */
        rb_bufsz = drm_order(ring_size / 8);
        ring_size = (1 << (rb_bufsz + 1)) * 4;